JP2515722Y2 - Upper lock mechanism for tilt handle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an upper lock mechanism in a tilt handle used in a vehicle such as an automobile.

[Prior Art] Prior art documents of an upper lock mechanism that locks a steering wheel in a lifted position for improving the getting on and off of a driver in a conventional vehicle include, for example, JP-A-61-110667 and JP-A-60-51178. . However, each of the upper lock mechanisms disclosed in these publications has a complicated structure, a large number of constituent parts, and a high cost.

[Problems to be solved by the invention] In the invention, when the handle is at the flip-up position, only the tilt lever holds down the upper bracket or the lower bracket to lock the handle at the flip-up position.
An object of the present invention is to provide an upper lock mechanism for an automobile handle, which has a small number of parts, operates reliably, and is inexpensive.

[Technical Means for Solving the Problems] In order to solve the above problems, the present invention has an upper bracket having a handle at its upper end rotatably attached to a tilt shaft, and one of the upper bracket and the lower bracket is long. Both brackets are fastened by a fastening member having a hole and slidable along the long hole, and a tilt lever is rotatably attached to the fastening member.
The tilt lever is biased to rotate clockwise at least while the tilt lock is released, and prevents the handle from moving downward between the tilt lever and one of the brackets at the handle flip-up position. It has a structure provided with a mechanism for performing.

[Operation] A mechanism for preventing the rotation between the upper lever or the lower bracket and the tilt lever even when the upper end of the upper bracket is rotated downward around the tilt axis at the flip-up position of the handle and thus the upper bracket. Is provided, the upper bracket is locked in the splashed position. Therefore, the driver can easily get in and out of the car.

[Embodiment] The present invention will be described below with reference to the drawings illustrating an embodiment. FIG. 1 shows an overall view of the tilt handle, FIGS. 2 and 3 show the structure of the first embodiment, and FIGS. 4 to 6 show operation diagrams of the first embodiment. First, the structure of the tilt handle will be described with reference to FIG. 1. 1 is a handle, 2 is an upper bracket to which the handle 1 is attached, 3 is a lower bracket, 4 is a tilt lever, 5 is a memory lever, and 6 is a spring spring. Are shown respectively. C ₁ is the tilt center.

2 and 3, the bracket of the lower bracket 3
A nut 3b is fixed to 3a in parallel with the tilt center C ₁ by welding or the like. On the other hand, a long hole 2b is formed in the upper bracket 2, and a bolt 8 slidably penetrates through this long hole 2b so that the nut
The upper bracket 2 is fastened to the lower bracket 3 by being screwed into 3b. The tilt lever 4 is rotatably attached to the bolt 8. Therefore, the bolt 8 becomes the rotation center C ₂ of the tilt lever 4. The tilt lever 4 is integrally provided with a lock pin 4a, and the upper bracket 2 is integrally formed with a lock mount 2a. A tension spring 7 is attached between the tilt lever 4 and a part of the lower bracket 3 or the upper bracket 2 to urge the tilt lever 4 to rotate clockwise. Next, the operation of the first embodiment will be described with reference to FIGS. FIG. 4 shows the tilt lever 4 when the handle 1 is tilt-locked by a solid line, and shows the tilt lever 4 when the tilt-lock is released by a chain line. When the tilt lever 4 is rotated clockwise by the tension spring 7, the lock pin 4a of the tilt lever 4 is always in contact with the front surface (the left surface in FIG. 4) of the lock mount 2a of the upper bracket 2. Movement is regulated.

FIG. 5 shows the flip-up spring 6 shown in FIG. 1 so that the upper bracket 2 is flipped up (the front side of the upper bracket 2 is lowered), and the tension spring 7 causes the lock pin 4a of the tilt lever 4 to move to the front corner of the lock mount 2a of the upper bracket 2. It shows a state of getting over the portion and further riding on the upper surface of the lock mount 2a. In this state, even if the handle 1 is moved downward (that is, the front end of the upper bracket 2 is moved upward), since the lock mount 2a of the upper bracket 2 is locked by the lock pin 4a of the tilt lever 4, the upper bracket 2 is flipped up. Locked in position.

FIG. 6 shows the tilt lever 4 in the upper lock position (locked at the flip-up position of the handle 1) by a solid line, and shows the state in which the chilled lever 4 is returned by the angle θ ₁ to release the upper lock by a chain line. By returning the tilt lever 4, the lock pin 4a of the tilt lever 4 is separated from the lock mount 2a of the upper bracket 2, and the upper bracket 2 becomes rotatable.

Since the first embodiment has the above-mentioned structure, the structure is simple as compared with the conventional upper lock mechanism, the number of parts is small, the cost is low, and the operation of the upper lock is reliable.

7 to 11 show the second embodiment. In FIGS. 7 and 8, the nut 10b is fixed to the bracket 10a of the lower bracket 10 in parallel with the tilt center C ₁ , and the upper bracket 9
An elongated hole 9b is formed in the. The bolt 8 slidably penetrates the elongated hole 9b and is screwed into the nut 10b, whereby the upper bracket 9 is fastened to the lower bracket 10. A tilt lever 11 is rotatably attached to the bolt 8. Therefore, the bolt 8 becomes the rotation center C ₂ of the tilt lever 4. Lock pin on upper bracket 9
9a is integrally formed. A tension spring 7 is attached to the tilt lever 11 and a part of the lower bracket 10 or the upper bracket 9, and biases the tilt lever 11 clockwise.

Next, the operation of the second embodiment will be described with reference to FIGS.
FIG. 9 shows the tilt lever 11 with the handle 1 tilt-locked by a solid line. The tilt lever 11 in the state where the tilt lock is released is shown by a chain line. When the tilt lever 11 is rotated clockwise by the tension spring 7, the rear surface of the tilt lever 11 is always in contact with the lock pin 9a of the upper bracket 9, so that the rotation of the tilt lever 11 is restricted.

FIG. 10 shows a state in which the upper bracket 9 is flipped up by the spring 6 and the lock pin 9a of the upper bracket 9 is fitted in the notch 11a of the tilt lever 11 by the tension spring 7. In this state, even if the handle 1 is moved downward, that is, the front end of the upper bracket 9 is moved upward, the lock pin 9a of the upper bracket 9 is fitted into the notch 11a of the tilt lever 11, so the movement is stopped. 9 is locked in the splashed position.

FIG. 11 shows the tilt lever 11 in the upper lock position by a solid line, and shows a state in which the tilt lever 11 is returned by the angle θ ₂ to release the upper lock by a chain line. By returning the tilt lever 11 by the angle θ _2, the notch 11a of the tilt lever 11 is separated from the lock pin 9a of the upper bracket 9, and the upper bracket 9 can move freely.

 The effects of the second embodiment are the same as the effects of the first embodiment.

12 to 16 show the third embodiment. In FIGS. 12 and 13, a bolt 12a fixed to the upper bracket 12 slidably penetrates a long hole 13b formed in the lower bracket 13 parallel to the tilt center C ₁ , and a nut 16 screwed to the bolt 12a is used to fix both brackets. 12 and 13 are fastened. Tilt lever 14
Is rotatably attached to the nut 16. Therefore, the nut 16 becomes the rotation center C ₂ of the tilt lever 14. A lock pin 14a is formed integrally with the tilt lever 14,
The lower bracket 13 is integrally formed with a lock mount 13a having a notch 13c on its rear surface. A tension spring 15 is attached to the tilt lever 14 and a part of the lower bracket 13 or the upper bracket 12, and the tension lever 15 biases the tilt lever 14 in the clockwise direction.

Next, the operation of the third embodiment will be described with reference to FIGS.
FIG. 14 shows the tilt lever 14 when the handle 1 is tilt-locked by a solid line, and shows the tilt lever 14 when the tilt-lock is released by a chain line. When the tilt lever 14 is rotated clockwise by the tension spring 15, the lock pin 14a of the tilt lever 14 is always in contact with the rear surface of the lock mount 13a of the lower bracket 13 to restrict the rotation of the tilt lever 14.

In FIG. 15, the upper spring 12 is flipped up by the flip-up spring 6, that is, the front side of the upper bracket is lowered, and the bolt 12 fixed to the upper bracket 12 is fixed.
a goes down along the long hole 13b of the lower bracket 13 and the bolt
A state in which the tilt lever 14 is lowered together with 12a, and the tension spring 15 causes the lock pin 14a of the tilt lever 14 to be fitted into the notch 13c of the lock mount 13a is shown. Even if you try to move the handle 1 downwards in this state, the tilt lever
Since the lock pin 14a of 14 is fitted in the notch 13c of the lower bracket 13, the bolt fixed to the upper bracket 12
12a is stopped and thus the handle 1 is locked in the flipped position.

FIG. 16 shows the tilt lever 14 in the upper lock position by a solid line, and shows a state in which the tilt lever 14 is returned by the angle θ ₃ to release the upper lock by a chain line. By returning the tilt lever 14 by the angle θ _3, the lock pin 14a of the tilt lever 14 is separated from the notch 13c of the lock mount 13a of the lock bracket 13, so that the upper bracket 12 can move freely.

 The effects of the third embodiment are the same as the effects of the first embodiment.

17 to 21 show the fourth embodiment. 17 and 18, the bolt 12a is attached to the upper bracket 12 at the tilt center C ₁
Fixed to the lower bracket 17 in a long hole 17b, and the bolt 12a slidably penetrates the long hole 17b.
Both brackets 12 and 17 are fastened together by 16. nut
A tilt lever 18 is rotatably attached to the shaft 16 as an axis. Therefore, the nut 16 becomes the center of rotation C ₂ of the tilt lever head 18. Lock pin 17a on the lower bracket 17
Is attached integrally, and a tension spring 15 is attached to the tilt lever 18 and a part of the lower bracket 17 or the upper bracket 12, and the tilt lever 18 is attached.
Is always biased clockwise.

FIG. 19 shows the tilt lever 18 when the handle 1 is tilt-locked by a solid line, and shows the tilt lever 18 when the handle 1 is unlocked by a chain line. When the tilt lever 18 is rotated by the tension spring 15, the front of the tilt lever 18 is locked by the lock pin 17 of the lower bracket 17.
Since it abuts on a, the rotation of the tilt lever 18 is restricted.

In FIG. 20, the spring 6 springs up the upper bracket 12 and the tension spring 15 extends through the notch 18a of the tilt lever 18 into the lock pin 1 of the lower bracket 17.
7a shows a state where it is fitted. That is, when the upper bracket 12 bounces up, its front end lowers, so that the bolts 12a of the upper bracket 12 are attached to the long holes 1 of the lower bracket 17.
Move down along 7b. Along with this, the tilt lever 18 also moves downward together with the bolt 12a, and the lock pin 17a
Is fitted into the notch 18a, and the bolt 12a is fixed. Even if the handle 1 is moved downward in this state, the upper bracket 12 cannot move because the bolt 12a is in the fixed state, and the upper bracket 12 is locked in the splashed position.

FIG. 21 shows the tilt lever 18 in the upper lock position by a solid line, and shows a state in which the tilt lever 18 is returned by an angle θ ₄ to release the upper lock by a chain line. Notch 18a of tilt lever 18 can be obtained by returning tilt lever 18 by angle θ _4.
Is separated from the lock pin 17a of the lower bracket 17 and the bolt 1
2a, so the upper bracket 12 can move freely.

 The effects of the fourth embodiment are the same as the effects of the first embodiment.

[Effect] Since the present invention has the above-mentioned configuration, when the handle is in the flip-up position, it is possible to press the upper bracket or the lower bracket only with the tilt lever to lock the handle position, and still compare with the conventional device. In addition, the upper lock mechanism for the steering wheel for automobiles, which has a small number of parts, operates reliably, and is inexpensive, is provided.

[Brief description of drawings]

FIG. 1 shows an overall side view of an embodiment of the present invention. FIG. 2 is a side view of the first embodiment, and FIG. 3 is a plan view of FIG. FIG. 4 shows a side view of the first embodiment when the handle is tilt locked and when the tilt lock is released. FIG. 5 is a side view of the first embodiment when the handle is in the flip-up position. FIG. 6 shows the first embodiment,
The side view of an upper stage lock state of a handle and an upper stage lock release state is shown. FIG. 7 shows a side view of the second embodiment, and FIG. 8 shows a plan view of FIG. FIG. 9 shows a side view of the second embodiment when the handle is tilt locked and when the tilt lock is released. FIG. 10 shows a side view of the second embodiment when the handle is in the flip-up position. FIG. 11 is a side view of the handle in the upper lock state and the upper lock release state in the second embodiment. FIG. 12 is a side view of the third embodiment, and FIG. 13 is a plan view of FIG. FIG. 14 shows a side view of the third embodiment when the handle is tilt-locked and when the tilt-lock is released. FIG. 15 is a side view of the third embodiment when the handle is in the flip-up position. FIG. 16 is a side view of the handle in the upper lock state and the upper lock release state in the third embodiment. FIG. 17 shows a side view of the fourth embodiment, and FIG. 18 shows a plan view of FIG. FIG. 19 shows a side view of the fourth embodiment when the handle is tilt locked and when the tilt lock is released. FIG. 20 is a side view of the fourth embodiment when the handle is in the flip-up position. FIG. 21 is a side view of the handle in the upper lock state and the upper lock release state in the fourth embodiment. 1 ... Handle, 2 ... Upper bracket 2a ... Lock mount (handle downward movement prevention mechanism) 2b ... Long hole 3 ... Lower bracket, 4 ... Tilt lever 4a ... Lock pin (handle downward movement prevention mechanism) 6 … Splash spring 7… Tension spring 8… Bolt (tightening member) 9… Upper bracket 9a… Lock pin (mechanism to prevent downward movement of the handle) 9b… Long hole 10… Lower bracket 10b… Nut (tightening member) 11… Tilt Lever 11a ... Notch (mechanism to prevent downward movement of handle) 12 ... Upper bracket 12a ... Bolt (tightening member) 13 ... Lower bracket 13a ... Lock mount (mechanism to prevent downward movement of handle) 13b ... Oval hole, 14 ... Tilt lever 14a ... Lock pin (mechanism to prevent downward movement of the handle) 15 ... Tension spring 16 ... Nut (tightening member) 17 ... Lower bracket 17a ... Lock pin (mechanism to prevent downward movement of handle) 17b ... Long hole, 18 ... Tilt lever 18a ... Notch (mechanism to prevent downward movement of handle) C ₁ ... Tilt center (tilt axis) C ₂ … Tilt lever rotation center

Claims (1)

(57) [Scope of utility model registration request] 1. An upper bracket having a handle at an upper end thereof is rotatably attached to a tilt shaft, and one of the upper bracket and the lower bracket has a long hole, and the tightening is slidable along the long hole. Both the brackets are fastened by a member, and a tilt lever is rotatably attached to the fastening member, and the tilt lever is biased to rotate clockwise at least while the tilt lock is released, and the tilt lever and the both An upper locking mechanism in a tilt handle, characterized in that a mechanism for preventing downward movement of the handle at a splashing position of the handle is provided between the bracket and either one of the brackets.